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Downloader.py
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Downloader.py
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#!/usr/bin/env python3
"""
Downloads the daily covid stats from Worldometer.
N.B.: If run multiple times in a day, updates the existing json files.
Emile Villette - March 2021
"""
import json
import os
import time
import progressbar
import directoryManager
import downloadFile
def download_stats(yesterday=False):
"""Downloads COVID stats from https://www.disease.sh/
:param yesterday: download yesterday's data
:return: None
"""
start_time = time.time()
if yesterday:
url_yesterday = "?yesterday=true"
path = directoryManager.daily_directory(yesterday=True)
else:
url_yesterday = ""
# Get daily file path
path = directoryManager.daily_directory()
vaccine_data_confirmed = []
if os.path.exists(path + "/vaccine/AA_properties.json"):
with open(path + "/vaccine/AA_properties.json", "r") as properties_check:
vaccine_properties = json.load(properties_check)
else:
vaccine_properties = []
# Recap file
recap_countries_to_request = ""
# Download today's files from https://disease.sh/v3/covid-19/countries
downloadFile.download_file(
"https://disease.sh/v3/covid-19/countries" + url_yesterday,
".json",
"AA_RawData",
path,
)
with open(path + "/AA_RawData.json", "r") as AA_process:
unprocessed_data = json.load(AA_process)
processed_json = {}
for i in unprocessed_data:
processed_json[i["countryInfo"]["iso2"]] = i
with open(path + "/AA_RawDataProcessed.json", "w") as AA_processed:
json.dump(processed_json, AA_processed)
if os.path.exists("{}/AA_to_download.json".format(path)) and not yesterday:
with open(f"{path}/AA_rawDataProcessed.json", "r") as check_time:
check_update = json.load(check_time)
if (start_time - check_update["BE"]["updated"] / 1000) > 10800:
os.remove(f"{path}/AA_to_download.json")
with open("languages/countries.json", "r") as country_file:
country_list = json.load(country_file)
if os.path.exists("{}/AA_to_download.json".format(path)):
with open("{}/AA_to_download.json".format(path), "r") as checker:
country_list["iso_codes"] = json.load(checker)
# countries that have not given their daily numbers (yet)
no_numbers_countries = []
# Progress bar to monitor clearly download state
progress_widgets = [
progressbar.FormatLabel(""),
progressbar.Percentage(),
" ",
progressbar.Bar(marker="█", left="[", right="]", fill="░"),
" ",
progressbar.AdaptiveETA(),
progressbar.FormatLabel(""),
]
for i in progressbar.progressbar(
range(len(country_list["iso_codes"])),
redirect_stdout=True,
widgets=progress_widgets,
):
# Get the ISO_code from the user's desired country list
iso_code = country_list["iso_codes"][i]
progress_widgets[0] = progressbar.FormatLabel(
"Processing country {}: ".format(iso_code)
)
if os.path.exists(path + "/" + iso_code + ".json"):
check = downloadFile.download_file(
"https://disease.sh/v3/covid-19/countries/" + iso_code + url_yesterday,
".json",
iso_code,
path,
case_file=True,
)
if check:
no_numbers_countries.append(iso_code)
progress_widgets[-1] = progressbar.FormatLabel(
" | {}: No data".format(iso_code)
)
else:
progress_widgets[-1] = progressbar.FormatLabel(
" | {}: Data OK".format(iso_code)
)
else:
# Download the "country"'s daily data
check = downloadFile.download_file(
"https://disease.sh/v3/covid-19/countries/" + iso_code + url_yesterday,
".json",
iso_code,
path,
case_file=True,
)
if check:
no_numbers_countries.append(iso_code)
progress_widgets[-1] = progressbar.FormatLabel(
" | {}: No data".format(iso_code)
)
else:
progress_widgets[-1] = progressbar.FormatLabel(
" | {}: Data OK".format(iso_code)
)
# Download the "country"'s vaccine data in the last five days.
if iso_code not in vaccine_properties:
for tries in range(2):
try_vaccine_data = downloadFile.download_file(
f"https://disease.sh/v3/covid-19/vaccine/coverage/countries/{iso_code}?lastdays={5 + tries}",
".json",
iso_code + "_VACCINE",
path + "/vaccine",
vaccine_file=True,
)
if not try_vaccine_data:
vaccine_data_confirmed.append(iso_code)
break
# AA_DAILY_Recap requires country ISO codes to be separated by a comma in the URL.
recap_countries_to_request += iso_code + ","
with open(path + "/vaccine/AA_properties.json", "w") as vaccine_check:
json.dump(vaccine_data_confirmed, vaccine_check)
with open(
"{}/AA_to_download.json".format(path), "w"
) as updated_no_numbers_countries:
json.dump(no_numbers_countries, updated_no_numbers_countries)
# Remove the most right comma from the recap_countries_to_request
recap_countries_to_request.rstrip(",")
# Download the user's selected countries data in one singles file for archiving.
downloadFile.download_file(
"https://disease.sh/v3/covid-19/countries/"
+ recap_countries_to_request
+ url_yesterday,
".json",
"AA_DAILY_Recap",
path,
)
# Daily GLOBAL (the whole world without per-country details)
downloadFile.download_file(
"https://disease.sh/v3/covid-19/all" + url_yesterday,
".json",
"AA_DAILY_TOTAL",
path,
)
# Download per country GLOBAL vaccine stats in the two last days
downloadFile.download_file(
"https://disease.sh/v3/covid-19/vaccine/coverage/countries/?lastdays=5",
".json",
"AA_DAILY_TOTAL_VACCINE",
path + "/vaccine",
)
# Download GLOBAL Vaccine data (the whole world without per-country details)
downloadFile.download_file(
"https://disease.sh/v3/covid-19/vaccine/coverage?lastdays=5",
".json",
"AA_DAILY_TOTAL_GLOBAL_VACCINE",
path + "/vaccine",
)
print(
"------- Process took %s seconds to execute -------"
% (time.time() - start_time)
)
return path